package DBLayer;
import java.sql.*;


public class GetMax {

    public GetMax() {
    }

    public static int getMaxId(String query) {
        ResultSet results;
        int id = -1;

        try {
            Statement stmt = ConnectionDB.getInstance().getConn().createStatement();
            results = stmt.executeQuery(query);

            if (results.next()) {
                id = results.getInt(1);
            }
        }
        catch (Exception e) {
            System.out.println("Query exception: Error in reading maxid" + e);
        }

        return id;
    }

}
